Physics, 10.07.2019 11:00 jtbrown0093
I’m super stuck. the first question was about finding the current which i managed to get and it was 0.75amps then, the second was looking for the voltage of the resistor then the third one was looking for the resistance. i can’t remember the power of the lamps (i know i’m useless) but if i learn how to find the voltage of the resistor if you only have the current and the supply voltage and supply power or the power and voltage of the lamps i will be able to do it. if anyone could that would be brilliant.
Answers: 1
Physics, 22.06.2019 16:20
Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
Answers: 1
Physics, 22.06.2019 21:50
Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.
Answers: 3
Physics, 22.06.2019 22:20
One hazard of space travel is debris left by previous missions. there are several thousand masses large enough to detect by radar orbiting the earth, but there are far greater numbers of very small masses such as flakes of paint. calculate the force exerted by a 0.110 mg chip of paint that strikes a space shuttle window at a relative speed of 5.00 ✕ 103 m/s and sticks, given the collision lasts 6.00 ✕ 10-8 s. such a collision chipped the window of the ill-fated challenger in june 1983, causing $50,000 of damage.
Answers: 2
I’m super stuck. the first question was about finding the current which i managed to get and it was...
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